Immunogen sequence: GSRQIFPPES FADTEAGEEL SGDGLVLPRA SKLDEFLSPE EEIDSTSDST GSIYQNLQEL KQKGRWCLLE SLFQSDPESD ENLSEDEEDL ESFFQDKDRG MVQVQCPQAL RCGSTRRCSS LNNLPSNIPR PQTQPPS Highest antigen sequence identity to the following orthologs: Mouse - 66%, Rat - 67